Question: can you please explain what he did in e and f Answer: Full solution below: [auth] WA Activity 4 5 1 3 95 D 4

can you please explain what he did in e and f

Answer: Full solution below: [auth] WA Activity 4 5 1 3 95 D 4 14 F G 7 1 Prute path Total time ADE DF with highest time Acore the critical - 2 Sported completion time some of critica) puth Custo 45 12.14 X-2 X 375 -0.47 a po toit (191) K= 33.5 3 21 Q A project has the specifications as shown in the following table. h Optimistic time Pessimistic time Most likely time. All times are in months B Activity Immediate Predecessors b m Mean St. Dev. Variance A None 2 8 5 B Nonc 3 3 3 7 12 8 D B, C 3 5 4 E B 5 12 10 F D 10 18 14 G E, F 4 10 7 a. Develop a project network diagram. (Marks 4) b. Determine the expected project completion time. (Marks 4) c. Identify the critical activities. (Marks 4) d. Calculate the standard deviation of the expected project completion time. (Marks 2) c. What is the probability that the project will be completed one month earlier than the expected completion time? (Marks 3) f. What is the probability that the project will be delayed by one month from its expected completion time? (Marks 3)

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